Brake Solenoid Position Adjustment; Capstan Assembly Thrust Adjustment - Teac C-1 Service Manual

5-6 BRAKE SOLENOID POSITION
ADJUSTMENT
. Switch on POWER.
. Load any cassette tape.
. Put the deck in the play mode to actuate the brake
solenoid for the following checks.
. Make sure that there is a clearance of approx. 1.0 mm
or more between the reel table driving surfaces and the
brake shoes of the brake plate.
. Be sure that position relationship between the bent tip
of the lever and the left hand end of the eject lever is as
shown in Fig. 5-9.
. Make certain that the EJECT function is inhibited.
. If the items specified before cannot be obtained, adjust
the brake solenoid position thus: loosen the two mount-
ing screws on the brake solenoid, adjust the solenoid
position, retighten the screws and secure them with a
drop of locking paint.
Eject Lever
0~0.5mm
T-1483
Fig. 5-9 Lever and eject lever clearance
Brake Bracket Brake Shoes
approx. |mm or more
in PLAY mode
T-77%4
Fig. 5-10 Reel table and brake shoe clearance
Brake Solenoid
| > Mouting Screws
T-1484
Fig. 5-11 Brake solenoid adj. location
5-7 CAPSTAN ASSEMBLY THRUST
ADJUSTMENT
Specification: 0.1 mm to 0.3 mm
NOTE: For newly replaced capstan drive ass'y first lubri-
cate it referring to paragraph 4-7 on page 11 prior
to this adjustment.
1. Switch off POWER.
hind the transport chassis, from the bottom of main
chassis by unfastening two screws as shown in Fig. 5-14.
3. Keep approx. 1 mm of clearance between the capstan
ring and the top end of the capstan holder so that the
ring will not disturb accurate adjusting of the capstan
shaft thrust.
4. By using a slot screwdriver with small blade, adjust the
thrust adjusting screw so that thrust of the capstan shaft
in the longitudinal direction is limited to 0.1 to 0.3 mm.
This adjustment can be made by pushing the flywheel
toward or away from the front of the deck.
5. Adjust the capstan ring height so that, with the lower
end of the capstan shaft in contact with the adjusting
screw, there is 0.5 mm clearance between the ring and
the top end of the capstan holder.
Capstan Shaft
Befor thrust
adj. keep space
of approx.O.5mm
Capstan Ring oe
N
SMO
227 —Y220 A
Capston Holder
Ot-O.3mm
ESSSp SSNS
Thrust Adjusting Screw Capstan Bearing Assy
T-14B2
Fig. 5-12 Cross sectional view of capstan assy